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111223030 = 2530736229
BaseRepresentation
bin1101010000100…
…10000011110110
321202021201022111
412220102003312
5211433114110
615011521234
72520244252
oct650220366
9252251274
10111223030
1157867566
12312b921a
131a072c59
1410ab3262
159b6ee8a
hex6a120f6

111223030 has 16 divisors (see below), whose sum is σ = 200859120. Its totient is φ = 44343072.

The previous prime is 111223001. The next prime is 111223031. The reversal of 111223030 is 30322111.

It is a self number, because there is not a number n which added to its sum of digits gives 111223030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111223031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15045 + ... + 21184.

It is an arithmetic number, because the mean of its divisors is an integer number (12553695).

Almost surely, 2111223030 is an apocalyptic number.

111223030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111223030 is a deficient number, since it is larger than the sum of its proper divisors (89636090).

111223030 is a wasteful number, since it uses less digits than its factorization.

111223030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36543.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 111223030 is about 10546.2329767553. The cubic root of 111223030 is about 480.9112175727.

Adding to 111223030 its reverse (30322111), we get a palindrome (141545141).

It can be divided in two parts, 1112 and 23030, that added together give a palindrome (24142).

The spelling of 111223030 in words is "one hundred eleven million, two hundred twenty-three thousand, thirty".

Divisors: 1 2 5 10 307 614 1535 3070 36229 72458 181145 362290 11122303 22244606 55611515 111223030